Merge "msm: pcie: add additional latency for PCIe switch case" (e483dd69) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/pci/host/pci-msm.c

+14 −0

Original line number	Diff line number	Diff line
		@@ -4309,6 +4309,12 @@ int msm_pcie_enable(struct msm_pcie_dev_t *dev, u32 options)
		dev->suspending = false;
		dev->link_turned_on_counter++;

		if (dev->bridge_found && dev->ep_latency) {
		PCIE_DBG(dev, "PCIe RC%d add ref clk propagation latency.\n",
		dev->rc_idx);
		usleep_range(dev->ep_latency * 1000, dev->ep_latency * 1000);
		}

		goto out;

		link_fail:
		@@ -4692,6 +4698,14 @@ int msm_pcie_enumerate(u32 rc_idx)
		return ret;
		}

		if (dev->ep_latency) {
		PCIE_DBG(dev,
		"PCIe RC%d add ref clk propagation latency.\n",
		dev->rc_idx);
		usleep_range(dev->ep_latency * 1000,
		dev->ep_latency * 1000);
		}

		bus = pci_create_root_bus(&dev->pdev->dev, 0,
		&msm_pcie_ops,
		msm_pcie_setup_sys_data(dev),